Musical instrument



FIG. 1 is a front, side, and top perspective view of a musical instrument incorporating my new design;

FIG. 2 is a rear, side, and bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a front elevational view thereof; the rear, left side, and right side elevational views being identical to the front elevational view. 

CLAIM The ornamental design for a musical instrument, as shown and described. 